|Rock and Mineral Kits
Rock, Mineral and Fossil Collections. Nice kits for personal or classroom use.
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Tourmaline - the most colorful mineral and natural gem material on Earth.
Calcite is a carbonate mineral with industrial, agricultural, medical and many other uses.
|Diamond: The Mineral
Diamond is a mineral with unique properties and many gem and industrial uses!
||The Acid Test
The Acid Test Geologists use dilute hydrochloric acid to identify carbonate minerals.
Topaz is a mineral best known as a durable gemstone and its use in Mohs Hardness Scale.
Quartz is the most abundant mineral in the crust. It has many useful properties.
|What Are Minerals?
Minerals are the building blocks of our society. We use items made with them every day.
Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems.
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Mineral Identification Chart Printable mineral ID chart by Art Crossman in MS Excel format.
Diopside - Gem material, ornamental stone, diamond indicator, industrial mineral.
||Is Water a Mineral?
Are Water and Ice Minerals? Comparing their properties with the definition of a mineral.
||Diamonds from Coal?
Diamonds Do Not Form From Coal That is one of the biggest misconceptions in science.
Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Ilmenite - The primary ore of titanium and source of most titanium dioxide.
Chalcopyrite - The most important ore of copper for over five thousand years.
United States Gemstones Small mines in the U.S. produce a diversity of gemstones.
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
|Uses of Gold
Gold has unique properties that make it one of the most useful minerals.
Hematite - the most important source of iron ore and mineral pigment since prehistory.
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone.
Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Serpentine - metamorphic rocks used in construction, architecture and lapidary work.
Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find.
The Streak Test is a method to determine the color of a mineral in powdered form.
|Rare Earth Elements
Rare Earth Elements are used in cell phones, DVDs, batteries, magnets & many other products.
Benitoite Discovery and geology of the State Gem of California - USGS report from 1911.
Spodumene is a pegmatite mineral, an ore of lithium and sometimes a gemstone.
||Tucson Mineral Show
Tucson Gem & Mineral Show Photos from the largest gem and mineral show.
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
||Fireworks & Minerals
The Science of Fireworks Learn how the colors and shapes are created.
Minerals in Colored Glass - Minerals are what produce the color in colored glass.
Tumbled Stones are rocks that have been rounded, smoothed and polished in a rock tumbler.
Rhodochrosite : a manganese mineral used as an ore, a pink gem and an ornamental stone.
Cinnabar - the only important ore of mercury. Used as a pigment until its toxicity was realized.
How Do Snowflakes Form? They start as tiny crystals. Some grow on the way down.
||Uses of Silver
Uses of Silver Most people think of jewelry and coins, but silver\'s primary use is industrial.
Olivine Rain Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68.
Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks.
||Denver Mineral Show
Denver Gem and Mineral Show Photos and comments about this incredible annual show.
Abandoned Mine Accidents kill 20 to 30 per year. Education can prevent many of them.
Limonite - an amorphous iron oxide. An ore of iron and a pigment since prehistory.
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Triboluminescence is flash produced when a mineral is rubbed, scratched or broken.